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General Certificate of Education (Advanced Level) Support Seminar-2013

Sample Paper :- Information & Communication Technology II

Preparation :- Ministry of Education Time Duration: 3 hours 

Instructions: 

  Answer all the questions on this paper itself.

Part A-Structured Essay

(1).(a)

(i)  Provide a suitable definition for a system.…………………………………………………………………………………………… 

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(ii)  Using the definition suggested in (i) above, show that a refrigerator is a system.

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(iii)  State whether the refrigerator is an open system or a close system. Justify your answer.

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………………………………………………………………………………………………. 

(iv). State whether the following requirements of a motor car are functional . 

Proper functionality of break system of a car.

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The car should not emit harmful gases to the environment.

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(b)  Examples for B2B, B2C, and C2C in E- Commerce are mentioned below. State the type 

for each example

(i)  Sama who lives in a foreign country orders a flower bouquet for her mother ’s birthday

using web based service.

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(ii)  Wholesale vehicle dealers order vehicles online.

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(iii)  Saman orders a computer online from a computer manufacturing company.

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(iv) Sarath designed a website that consists of a collection of old stamps. Kamal is buying 

stamps from website.

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(c)  Consider the following scenario. ICT teachers selected from schools islandwide, work as members of the Hardware and

 Network Solution Pool established by the Ministry of  Education for the purpose of proper 

maintenance of school computer laboratories .The ministry identified that conducting

regular meetings to discuss technical difficulties and exchanging knowledge are time

consuming .

(i)  Suggest a suitable method to solve their hardware maintenance problems based on the

Information Communication Technology from their school.

.........………………………………………………………………………………………….. 

(ii)   Name three ICT devices that are needed for the method you suggested in (i) above.

………………………………………………………………………………………….. 

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(2).

(a). (i) What are the basic components of data communication system?

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(ii)   Name three (3) transmission impairments in data communication.…………………………………………………………………………………………… 

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(iii)  What are the three modulation methods in analog signals in data communication?……………………………………………………………………………………………… 

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(iv)  Explain one of the above modulation methods.

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( b). Given below is part of the output screen after executing “inconfig/all “command.

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Consider the above to answer the question given below.

(i)  Write down the MAC address.

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(ii)  What is the logical address?…………………………………………………………………………………………… 

(iii)  What is the function of the DNS server?…………………………………………………………………………………………… 

…………………………………………………………………………………………… 

(3)

(a) 

Construct a SQL statement to design a database table which contains attributesrelevant to the table.

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(b)  What is the SQL statement which is used to add the following record to the table?

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Production 

Pro_No  Pro_Type Pro_Name Unit_Price Sale_Price

MLK02 Diary Milk Anchor 330.00 325.00

MLK04 Diary Milk Maliban 325.00 320.00

MLK03 Butter Anchor 130.75 128.75

MLK06 Diary Milk Lakspray 338.00 330.00

MLK07 Butter Maliban 128.50 125.50

MLK08 Butter Lakspray 125.00  128.00

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(c) Write down the SQL statement to display Pro_Type, Pro_Name and Unit_Price which

 products are not similar to “Lakspray” in the Pro_Name field. 

…………………………………………………………………………………………… 

…………………………………………………………………………………………… 

…………………………………………………………………………………………… 

(c)  UPDATE Production

SET Unit_Price=335.00

WHERE Pro_No=’MLK04’ 

What would be the output of this SQL statement ?

……………………………………………………………………………………………. 

……………………………………………………………………………………………. 

(d)  SELECT Pro_Name,Sale_Price

FROM Production

WHERE Unit_Price-Sale_Price>3

What would be the result of this SQL statement ?

…………………………………………………………………………………………… 

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(4) (a) (i) Describe how you would input 3 integer values and output the largest value.

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(ii)  Develop a flow chart to represent an algorithm, based on the method suggested in (i) above,

to output the largest value.

(iii)  Convert the flow chart you have the above (ii) into a pseudo code.

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(b) Show how the computation of 14+(-3) is done in 8 bit two’s complement arithmetic.Explain how you deal with the carry generated in the most significant bit.

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